名校
1 . 设函数
.
(1)若
是
的极大值点,求
的取值范围;
(2)当
,
时,方程
(其中
)有唯一实数解,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb20b5898c5ac5ffa1a3138e7ed74e8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74cd8c03028c658a74586440b23c8f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2019-03-14更新
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1530次组卷
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5卷引用:【市级联考】湖南省怀化市2019届高三3月第一次模拟考试数学(文)试题
【市级联考】湖南省怀化市2019届高三3月第一次模拟考试数学(文)试题2019年湖南省怀化市高三一模数学(文)试题2020届吉林省梅河口市第五中学高三下学期模拟考试数学(文)试题2019届湖南省怀化市高三下学期第一次模拟数学(文)试题(已下线)专题03 利用导数求函数的极值、最值(第六篇)-备战2020年高考数学大题精做之解答题题型全覆盖
2 . 设函数
.
(1)当
时,函数
取得极值,求
的值;
(2)当
时,求函数
在区间
的最大值;
(3)当
时,关于
的方程
有唯一实数解,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca40a79d934b5208e0f0fd8aa39aa48.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41c6b9fa72109ba69163a5c6b7874a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f248318141e0016d38f9f5a692797f.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5dff31759eee997dbe1dae850fbdf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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